CVE-2019-8518 Memory corruption in Safari
Attackers can execute arbitrary code by tricking users into visiting malicious web content in affected Apple operating systems and browsers.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2019-8518?
CVE-2019-8518 is a high-severity memory corruption vulnerability in Apple Icloud, published on 18 Dec 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 12.2, tvOS 12.2, watchOS 5.2, Safari 12.1, iTunes 12.9.4 for Windows, iCloud for Windows 7.11. Processing maliciously crafted web content may lead to arbitrary code execution.
Weakness: CWE-787
Which versions are affected by CVE-2019-8518?
It affects 6 products.
Products include Apple Icloud, Apple Iphone Os, Apple Itunes, Apple Safari, Apple Tvos, Apple Watchos.
How do I fix CVE-2019-8518?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2019-8518 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-8518 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Apple Icloud
Sources
Also known as DEBIAN-CVE-2019-8518, GHSA-wvj5-49vm-wf8w, UBUNTU-CVE-2019-8518.